Radiation imaging apparatus and processing method therefor

Details Radiation imaging apparatus and processing method therefor Radiation imaging apparatus and processing method therefor

2009-10-09

2011-10-25

Song, Hoon (Department: 2882)

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

C378S004000

Reexamination Certificate

active

08045676

ABSTRACT:
A radiation imaging apparatus acquires information on a scattered radiation distribution at each rotation angle preliminarily determined for a rotation unit, based on images respectively obtained from a first radiation detection sensor having no grid, and a second radiation detection sensor having a grid. Then, the radiation imaging apparatus corrects the image obtained from the second radiation detection sensor based on the information on the scattered radiation distribution so as to reduce influence of scattered radiation thereon. Next, the radiation imaging apparatus performs reconstruction processing based on the image corrected by the correction unit.

REFERENCES:
patent: 2007/0253525 (2007-11-01), Popescu
patent: 2009/0092222 (2009-04-01), Okamoto et al.
patent: 2004-121446 (2004-04-01), None

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